The microstructures and mechanical properties of friction stir welded AZ31 with CaO Mg alloys

被引：11
|
作者：
Choi, Don-Hyun [1 ]
Kim, Shae-Kwang [2 ]
Jung, Seung-Boo [1 ]
机构：
[1] Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Gyeonggi Do 440746, South Korea
[2] Korea Inst Ind Technol, Inchon 406840, South Korea
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2013年 / 554卷
关键词：
Friction stir welding; AZ31; CaO; Hardness; Thermal stability; MAGNESIUM; TEMPERATURE;
D O I：
10.1016/j.jallcom.2012.11.143
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The present study was carried out to evaluate the microstructural and mechanical properties of a friction stir welded AZ31 with CaO Mg alloys. Friction stir welding (FSW) was performed at a tool rotation speed of 1600 rpm and a traveling speed of 80 mm/min. An intermetallic compound, Al2Ca, was resulted in the base metal (BM). In the stir zone (SZ), fine grains and intermetallic compound particles formed due to dynamic recrystallization and mechanical stirring. Hardness profiling showed that the SZ was harder than the BM, likely due to the presence of fine grains and thermally stable intermetallic compounds. Published by Elsevier B.V.
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收藏
页码：162 / 168
页数：7
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